/// <summary>Gets a number of non-* matching types, or -1 if not matching at all.</summary>
/// <param name="candidate">Candidate MIME type to match.</param>
/// <returns>The number of non-* matching types, or -1 if not matching at all.</returns>
internal int GetMatchingParts(MediaType candidate)
{
Debug.Assert(candidate != null, "candidate must not be null.");
int result = -1;
if (candidate != null)
{
if (this.type == "*")
{
result = 0;
}
else
{
if (candidate.subType != null)
{
string candidateType = candidate.type;
if (CompareMimeType(this.type, candidateType))
{
if (this.subType == "*")
{
result = 1;
}
else
{
string candidateSubType = candidate.subType;
if (CompareMimeType(this.subType, candidateSubType))
{
if (String.Equals(this.GetParameterValue(XmlConstants.MimeODataParameterName), candidate.GetParameterValue(XmlConstants.MimeODataParameterName), StringComparison.OrdinalIgnoreCase))
{
result = 2;
}
}
}
}
}
}
}
return result;
}
